'hg push' hangs if used trough a ssh-tunnel

[Andrew Hughes]

----- Original Message -----
> I read that in a few blogs but was unsure because it usually says
> something like "may be faster on slow connections but may also lead
> to
> a considerably slowdown on fast connections". I'll give it a try the
> next time I do a big push.
> 

I think it was Mark Reinhold who suggested it to me when I was having
issues.  It sounds a little like something is timing out somewhere
with the big jdk pushes.

Maybe jdk can one day be split up a bit? :-D

> Thanks,
> Volker
> 
> 
> On Wed, Mar 27, 2013 at 6:03 PM, Andrew Hughes
> <gnu.andrew at redhat.com> wrote:
> >
> > ----- Original Message -----
> > > Hi,
> > >
> > > when pushing to our port repository
> > > http://hg.openjdk.java.net/ppc-aix-port/jdk7u/ I sometimes
> > > encounter
> > > strange hangs.
> > >
> > > Because I am behind a corporate firewall, I have to use an
> > > SSH-tunnel
> > > to
> > > access the repository. I'm doing the following:
> > >
> > > hg push ssh://simonis@
> > > <internel_tunnel_host>:<tunnel_port>/ppc-aix-port/jdk8/jdk
> > > pushing to ssh://simonis@
> > > <internel_tunnel_host>:<tunnel_port>/ppc-aix-port/jdk8/jdk
> > > Enter passphrase for key '<home_dir>/.ssh/id_rsa':
> > > searching for changes
> > >
> > > After this message nothing more happens (for hours...). However
> > > if I
> > > interrupt the command with <Ctrl>-C I get the following:
> > >
> > > ^Cinterrupted!
> > > remote: adding changesets
> > > remote: adding manifests
> > > remote: adding file changes
> > > remote: added 166 changesets with 654 changes to 470 files
> > > remote: snapshot taken
> > >
> > > Notice that I don't get the final line "remote: notifying
> > > ppc-aix-port-dev at openjdk.java.net" which is usually printed after
> > > every
> > > successfull push but the mailing list is notified nevertheless
> > > (i.e.
> > > the
> > > push is complete and the corresponding notification mail is send
> > > to
> > > the
> > > list after I typed <Ctrl>-C). So actually the push succeeds but
> > > I'm
> > > nevertheless a little bit confused how long I have to wait until
> > > I
> > > can
> > > safely interrupt the hanging push:)
> > >
> > > I suppose that the problem is caused by the SSH-tunnel which I
> > > have
> > > to use
> > > but I'm not sure. It only happens on the 'jdk' repository if I
> > > push
> > > many
> > > (i.e. several hundred) changesets.
> > >
> > > Has anybody else encountered such problems and/or does anybody
> > > knows
> > > any
> > > workarounds?
> > >
> > > I'm using Mercurial 2.0.2 on Ubuntu 12.04.
> > > The tunnel host uses:
> > >
> > > debug1: Remote protocol version 1.99, remote software version
> > > OpenSSH_4.2
> > > debug1: match: OpenSSH_4.2 pat OpenSSH_4*
> > > debug1: Enabling compatibility mode for protocol 2.0
> > > debug1: Local version string SSH-2.0-OpenSSH_5.9p1
> > > Debian-5ubuntu1
> > >
> > > Thank you and best regards,
> > > Volker
> > >
> >
> > I do know that the OpenJDK servers can be quite slow at pushing,
> > because
> > they make ZFS snapshots, though it's a lot better than it used to
> > be.
> >
> > Do you have "ssh = ssh -C" in $HOME/.hgrc?  Having ssh at least use
> > compression might help a bit.
> > --
> > Andrew :)
> >
> > Free Java Software Engineer
> > Red Hat, Inc. (http://www.redhat.com)
> >
> > PGP Key: 248BDC07 (https://keys.indymedia.org/)
> > Fingerprint = EC5A 1F5E C0AD 1D15 8F1F  8F91 3B96 A578 248B DC07
> >
> 

-- 
Andrew :)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

PGP Key: 248BDC07 (https://keys.indymedia.org/)
Fingerprint = EC5A 1F5E C0AD 1D15 8F1F  8F91 3B96 A578 248B DC07